The length of a rectangle is 4 times the width. The rectangle width is 8 m what is the area of the rectangle

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Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)

Using the rise/run counting method, the slope of the line is